I think we are thinking of a different baseline. You are thinking along the lines of "this should run, we can reduce server costs later", I would suggest (if I

I think we are thinking of a different baseline. You are thinking along the lines of "this should run, we can reduce server costs later", I would suggest (if I may) "the app needs to run on any Android device with 2GB RAM". And then you develop a game to run on a 1.5GB RAM phone, expecting that it will eventually fit into 2GB RAM budget.